146347147 has 2 divisors, whose sum is σ = 146347148. Its totient is φ = 146347146.

The previous prime is 146347141. The next prime is 146347181. The reversal of 146347147 is 741743641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146347147 - 2²⁷ = 12129419 is a prime.

It is not a weakly prime, because it can be changed into another prime (146347141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73173573 + 73173574.

It is an arithmetic number, because the mean of its divisors is an integer number (73173574).

Almost surely, 2^146347147 is an apocalyptic number.

146347147 is a deficient number, since it is larger than the sum of its proper divisors (1).

146347147 is an equidigital number, since it uses as much as digits as its factorization.

146347147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 146347147 is about 12097.4024897909. The cubic root of 146347147 is about 526.9807527174.

The spelling of 146347147 in words is "one hundred forty-six million, three hundred forty-seven thousand, one hundred forty-seven".